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Finding the Fourth Proportional to 1,166.95, 1,749.91 and 473.43

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Solution

The fourth proportional to 1,166.95, 1,749.91 and 473.43 is: 709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.95 : 1,749.91 = 473.43 : x
  2. Step 2: Convert to fraction form
    1,166.95/1,749.91 = 473.43/x
  3. Step 3: Cross multiply
    1,166.95x = 1,749.91 × 473.43
  4. Step 4: Simplify right side
    1,166.95x = 828,457.52
  5. Step 5: Solve for x
    x = 828,457.52/1,166.95
  6. Step 6: Final answer
    x = 709.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.